SOLUTION: Anne buys a plant whose height is 6 cm. The plant is growing at a rate of 2/3 cm per week. When will its height exceed 10 2/3 cm?

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Question 191492: Anne buys a plant whose height is 6 cm. The plant is growing at a rate of 2/3 cm per week. When will its height exceed 10 2/3 cm?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
6+(2/3)t>10 2/3.....where t is the number of weeks
:
(2/3)t>4 2/3......subtracting 6 from both sides
:
(2/3)t>14/3........coverting 4 and 2/3 to 14/3
:
t%3E%2814%2F3%29%2A%282%2F3%29.....multiply both sides by 2/3 to isolate variable t
:
t%3E28%2F3weeks